EP4024661A4 - Power reception device, power transmission device, control method, and program - Google Patents

Power reception device, power transmission device, control method, and program Download PDF

Info

Publication number
EP4024661A4
EP4024661A4 EP20858520.8A EP20858520A EP4024661A4 EP 4024661 A4 EP4024661 A4 EP 4024661A4 EP 20858520 A EP20858520 A EP 20858520A EP 4024661 A4 EP4024661 A4 EP 4024661A4
Authority
EP
European Patent Office
Prior art keywords
program
control method
power transmission
power
transmission device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20858520.8A
Other languages
German (de)
French (fr)
Other versions
EP4024661A1 (en
Inventor
Wataru Tachiwa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of EP4024661A1 publication Critical patent/EP4024661A1/en
Publication of EP4024661A4 publication Critical patent/EP4024661A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/60—Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
EP20858520.8A 2019-08-29 2020-07-08 Power reception device, power transmission device, control method, and program Pending EP4024661A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019156802A JP7427395B2 (en) 2019-08-29 2019-08-29 Power receiving device, control method and program
PCT/JP2020/026743 WO2021039141A1 (en) 2019-08-29 2020-07-08 Power reception device, power transmission device, control method, and program

Publications (2)

Publication Number Publication Date
EP4024661A1 EP4024661A1 (en) 2022-07-06
EP4024661A4 true EP4024661A4 (en) 2024-05-22

Family

ID=74677774

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20858520.8A Pending EP4024661A4 (en) 2019-08-29 2020-07-08 Power reception device, power transmission device, control method, and program

Country Status (6)

Country Link
US (1) US20220181917A1 (en)
EP (1) EP4024661A4 (en)
JP (1) JP7427395B2 (en)
KR (1) KR20220051386A (en)
CN (1) CN114402501A (en)
WO (1) WO2021039141A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4354703A1 (en) * 2021-07-02 2024-04-17 LG Electronics Inc. Method and device for achieving compatibility between profiles in wireless power transmission system
JP2024525586A (en) * 2021-07-05 2024-07-12 エルジー エレクトロニクス インコーポレイティド Method and apparatus for providing MPP compatibility in a wireless power transmission system - Patents.com
JP2023016438A (en) * 2021-07-21 2023-02-02 キヤノン株式会社 Power receiving device, method for controlling power receiving device, and program

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170229926A1 (en) * 2016-02-05 2017-08-10 Texas Instruments Incorporated Methods and apparatus for power loss calibration in a wireless power system
WO2019139326A1 (en) * 2018-01-10 2019-07-18 엘지전자 주식회사 Apparatus and method for performing power calibration in wireless power transmission system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102074475B1 (en) * 2012-07-10 2020-02-06 지이 하이브리드 테크놀로지스, 엘엘씨 Apparatus and method for detecting foreign object in wireless power transmitting system
EP3800765A1 (en) * 2012-10-16 2021-04-07 Koninklijke Philips N.V. Wireless inductive power transfer
WO2015007696A1 (en) * 2013-07-17 2015-01-22 Koninklijke Philips N.V. Wireless inductive power transfer
GB2519079B (en) * 2013-10-08 2020-11-04 Nokia Technologies Oy Method and apparatus for wireless power transfer
PL3407466T3 (en) * 2014-03-25 2020-06-15 Koninklijke Philips N.V. Wireless inductive power transfer
WO2016091764A1 (en) * 2014-12-11 2016-06-16 Koninklijke Philips N.V. Wireless inductive power transfer
JP6632299B2 (en) 2015-09-29 2020-01-22 ローム株式会社 Wireless power transmission device, control circuit thereof, charger, and method of calibrating foreign object detection by power loss method
JP6890504B2 (en) * 2017-08-28 2021-06-18 キヤノン株式会社 Transmission device, power receiving device, wireless power transmission system and their control method
JP2019156802A (en) 2018-03-16 2019-09-19 日本化薬株式会社 New compound, active energy ray polymerization initiator containing that compound, and active energy ray curable composition containing that polymerization initiator
WO2019208960A1 (en) * 2018-04-25 2019-10-31 엘지전자 주식회사 Device and method for performing power calibration in wireless power transmission system
CN116896173A (en) * 2019-03-25 2023-10-17 Lg电子株式会社 Wireless power transmitter and method of transmitting wireless power
WO2021066611A1 (en) * 2019-10-02 2021-04-08 엘지전자 주식회사 Wireless power reception apparatus, wireless power transmission apparatus, and power calibration method using same
US11515739B2 (en) * 2020-02-14 2022-11-29 Spark Connected LLC FOD and wireless power transfer calibration
US11949249B2 (en) * 2020-02-18 2024-04-02 Mediatek Singapore Pte. Ltd. Calibration of foreign object detection during changes in operating conditions

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170229926A1 (en) * 2016-02-05 2017-08-10 Texas Instruments Incorporated Methods and apparatus for power loss calibration in a wireless power system
WO2019139326A1 (en) * 2018-01-10 2019-07-18 엘지전자 주식회사 Apparatus and method for performing power calibration in wireless power transmission system
US20220029475A1 (en) * 2018-01-10 2022-01-27 Lg Electronics Inc. Apparatus and method for performing power calibration in wireless power transmission system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021039141A1 *

Also Published As

Publication number Publication date
JP2021035303A (en) 2021-03-01
JP7427395B2 (en) 2024-02-05
EP4024661A1 (en) 2022-07-06
KR20220051386A (en) 2022-04-26
WO2021039141A1 (en) 2021-03-04
CN114402501A (en) 2022-04-26
US20220181917A1 (en) 2022-06-09

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